@article{FunkenEngelsPeyerimhoffetal.1990,
  author    = {K. Funken and Bernd Engels and S.D. Peyerimhoff and F. Grein},
  title     = {Study of the hyperfine coupling constants of the moleculs NH<sub>2</sub>, NHD and ND<sub>2</sub>},
  year      = {1990},
}